.middle > div {
    border: 1px solid red;
}

.middle > div > div {
    /*padding: 10px;*/
}

.middle > div > div:nth-child(1) {
    display: flex;
    justify-content: space-between;
}

.middle > div > div:nth-child(1) > div:nth-child(2) {
    display: flex;
    /*margin-top: -10px;*/
    /*height: 54px;*/
    /*align-items: center;*/
    line-height: 54px;
}

.middle > div > div:nth-child(1) > div:nth-child(2) > div {
    padding: 0 20px;
    background-color: white;
    color: orange;
}

.middle > div > div:nth-child(1) > div:nth-child(2) > div:hover {
    background-color: orange;
    color: white;
    cursor: pointer;
}

.title {
    padding: 10px;
}

/*-----------------------*/
.product {
    border-top: 1px solid red;
    padding: 10px;
    font-family: 新宋体;
    color: gray;
}

.product > div:nth-child(1) {
    display: flex;
    flex-wrap: wrap;
}

.product > div:nth-child(1) > div {
    width: 205px;
    /*border: 1px solid red;*/
    margin: 10px 10px 10px 0;
}

.product > div:nth-child(1) > div > div:nth-child(1) {
    width: 205px;
    height: 150px;
}

.product > div:nth-child(1) > div > div:nth-child(1) img {
    width: 100%;
    height: 100%;
}

.product > div:nth-child(1) > div > div:nth-child(2) {
    font-size: 25px;
    font-family: 黑体;
    font-weight: bolder;
    color: black;
    white-space: nowrap; /*文本强制不换行；*/
    text-overflow: ellipsis; /*文本溢出显示省略号；*/
    overflow: hidden; /*    溢出的部分隐藏；*/
}

.product > div:nth-child(1) > div > div:nth-child(4) {
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    overflow: hidden;
}

bb {
    color: red;
}